USB-1024LS User`s Guide
Contents
1. Pull up pull down configuration All pins pulled up to Vs via 47K resistors default Selection available for pull down to ground Hardware selectable via zero ohm resistor Input high voltage 2 0 V min 5 5 V absolute max Input low voltage 0 8 V max 0 5 V absolute min Output high voltage IOH 2 5 mA 3 0 V min Output low voltage IOH 2 5 mA 0 4 V max Power up reset state Input mode Counter Table 2 Counter specifications Counter type Event counter Number of channels 1 Input source CTR screw terminal Input type TTL rising edge triggered Resolution 32 bits Schmidt trigger hysteresis 20 mV to 100 mV Input leakage current uA Maximum input frequency 1 MHz High pulse width 500 ns min Low pulse width 500 ns min Input low voltage 0 V min 1 0 V max Input high voltage 4 0 V min 15 0 V max Power Table 3 Power specifications Parameter Conditions Specification Supply current Note 1 20 mA typ 40 mA max 5V USB power available Note 2 Connected to Self Powered Hub 4 5 V min 5 25 V max Connected to Bus Powered Hub 4 1 V min 5 25 V max Output Current Note 3 Connected to Self Powered Hub 460 mA max Connected to Bus Powered Hub 60 mA max Note 1 This is the total current requirement for the USB 1024LS which includes up to 5mA for the status LED 4 1 USB 1024LS Use2. booklet completely before installing any software or hardware Unpacking the USB 1024LS As with any electronic device you should take care while handling to avoid damage from static electricity Before removing the USB 1024LS from its packaging ground yourself using a wrist strap or by simply touching the computer chassis or other grounded object to eliminate any stored static charge If your USB 1024LS is damaged notify Measurement Computing Corporation immediately by phone fax or e mail For international customers contact your local distributor where you purchased the USB 1024LS Phone 508 946 5100 and follow the instructions for reaching Tech Support Fax 508 946 9500 to the attention of Tech Support Email techsupport mccdaq com 2 1 USB 1024LS User s Guide Installing the USB 1024LS Installing the software Refer to the Quick Start Guide for instructions on installing the software on the Measurement Computing Data Acquisition Software CD This booklet is available in PDF at www mccdaq com PDFmanuals DA Q Software Quick Start pdf Installing the hardware Be sure you are using the latest system software Before you connect the USB 1024LS make sure that you are using the latest versions of the USB drivers Before installing the USB 1024LS download and install the latest Microsoft Windows updates In particular when using Windows XP make sure you have XP Hotfix KB822603 installed This update is in
3. technical support resources Conventions in this user s guide For more information on Text presented in a box signifies additional information and helpful hints related to the subject matter you are reading Caution Shaded caution statements present information to help you avoid injuring yourself and others damaging your hardware or losing your data dit Angle brackets that enclose numbers separated by a colon signify a range of numbers such as those assigned to registers bit settings etc bold text Bold text is used for the names of objects on the screen such as buttons text boxes and check boxes For example 1 Insert the disk or CD and click the OK button italic text Italic text is used for the names of manuals and help topic titles and to emphasize a word or phrase For example The nstaCal amp installation procedure is explained in the Quick Start Guide Never touch the exposed pins or circuit connections on the board Where to find more information The following electronic documents provide helpful information relevant to the operation of the USB 1024LS MCC s Specifications USB 1024LS the PDF version of the Electrical Specification Chapter in this guide is available on our web site at www mccdaq com pdfs USB 1024LS pdf MCC s Quick Start Guide is available on our web site at www mccdaq com PDFmanuals DAQ Software Quick Start pdf MCC s Guide to Signal Connections is available on our web s
4. third party device driver is required The USB 1024LS is plug and play There are no jumpers to position DIP switches to set or interrupts to configure You can connect the USB 1024LS before or after you install the software and without powering down your computer first When you connect an HID to your system your computer automatically detects it and configures the necessary software You can connect and power multiple HID peripherals to your system using a USB hub You can connect your system to various devices using a standard four wire cable The USB connector replaces the serial and parallel port connectors with one standardized plug and port combination You do not need a separate power supply module The USB automatically delivers the electrical power required by each peripheral connected to your system Data can flow two ways between a computer and peripheral over USB connections Chapter 2 Installing the USB 1024LS What comes with your USB 1024LS shipment The following items are shipped with the USB 1024LS Hardware USB 1024LS USB cable 2 meter length Additional documentation In addition to this hardware user s guide you should also receive the Quick Start Guide available in PDF at www mecdag com PDFmanuals DAQ Software Quick Start pdf This booklet supplies a brief description of the software you received with your USB 1024LS and information regarding installation of that software Please read this
5. 33 Port B1 14 nic 34 Port B2 15 GND 35 Port B3 16 n c 36 Port B4 17 GND 37 Port B5 18 n c 38 Port B6 19 GND 39 Port B7 20 CTR 40 GND 4 3 C Declaration of Conformity Manufacturer Measurement Computing Corporation Address 10 Commerce Way Suite 1008 Norton MA 02766 USA Measurement Computing Corporation declares under sole responsibility that the product USB 1024LS to which this declaration relates is in conformity with the relevant provisions of the following standards or other documents EU EMC Directive 89 336 EEC Electromagnetic Compatibility EN 61326 1997 Amendment 1 1998 Emissions Group 1 Class A EN 55011 1990 CISPR 11 Radiated and Conducted emissions Immunity EN61326 Annex A JEC 1000 4 2 1995 Electrostatic Discharge immunity Criteria C EC 1000 4 3 1995 Radiated Electromagnetic Field immunity Criteria A EC 1000 4 8 1994 Power Frequency Magnetic Field immunity Criteria A Power line and I O tests to IEC 1000 4 4 IEC 1000 4 5 IEC 1000 4 6 and IEC 1000 4 11 were not required The device is DC powered from an I O cable which is less than three meters long Declaration of Conformity based on tests conducted by Chomerics Test Services Woburn MA 01801 USA in June 2004 Test records are outlined in Chomerics Test Report EMI3902 04 We hereby declare that the equipment specified conforms to the above Directives and Standards LS bre Carl Haapaoja Director
6. 4LS or you may lose data and or your ability to communicate with the USB 1024LS If the LED turns off If the LED is illuminated but then turns off the computer has lost communication with the USB 1024LS To restore communication disconnect the USB cable from the computer and then reconnect it This action should restore communication at which time the LED will turn on 2 2 Chapter 3 Functional Details External components The USB 1024LS has the following external components as shown in Figure 3 1 USB connector LED Screw terminal banks 2 LED Screw terminal Pins 1 to 20 Screw terminal Pins 21 to 40 USB connector cable Figure 3 1 USB 1024LS external components USB connector The USB connector is on the right side of the USB 1024LS housing This connector provides 5 V power and communication The voltage supplied through the USB connector is system dependent and may be less than 5 V No external power supply is required LED The LED on the front of the housing indicates the communication status of the USB 1024LS It uses up to 5 mA of current and cannot be disabled Table 3 1 defines the function of the USB 1024LS LED Table 3 1 LED Illumination LED Illumination Indication Steady green The USB 1024LS is connected to a computer or external USB hub Blinks continuously Data is being transferred Blinks three times Initial communication is establishe
7. Port BO 32 GND PC 5V 30 GND PortA6 27 PortA5 26 PortA4 25 PortA3 24 PortA2 23 PortA1 22 PortA0 21 Digital I O terminals Port AO to A7 Port BO to B7 Port CO to C7 Connect up to 24 digital 1 O lines to the screw terminal containing pins 1 to 8 Port CO to Port C7 pins 21 to 28 Port AO to Port A7 and pins 32 to 39 Port BO to Port B7 Refer to the pinout diagram on page 2 for the location of these pins You can configure each digital port for either input or output When configured for input you can use the USB 1024LS digital I O terminals to detect the state of any TTL level input Refer to the switch shown in Figure 3 3 and the schematic shown in Figure 3 4 If the switch is set to the 5 V input Port AO reads TRUE 1 If you move the switch to GND Port AO reads FALSE fa Pin 21 PORT A0 Figure 3 3 Digital connection of Port AO detecting the state of a switch LU GND 5V Figure 3 4 Schematic showing switch detection by digital channel Port AO For more information on digital signal connections For more information on digital signal connections and digital I O techniques refer to the Guide to Signal Connections available on our web site at www mccdaq com signals signals pdf 3 3 USB 1024LS User s Guide Functional Details Power terminals The PC 5 V connection pin 30 is on the bottom screw terminal of the USB 1024LS Refer to the pinout diagram on page 3 2 for the location
8. USB 1024LS 24 bit Digital 1 O Low speed USB 2 0 device User s Guide MEASUREMENT COMPUTING USB 1024LS USB based Digital I O Module User s Guide A AD MEASUREMENT COMPUTING Document Revision 2 May 2006 Copyright 2006 Measurement Computing Corporation Your new Measurement Computing product comes with a fantastic extra Management committed to your satisfaction Refer to www mccdaq com execteam html for the names titles and contact information of each key executive at Measurement Computing Thank you for choosing a Measurement Computing product and congratulations You own the finest and you can now enjoy the protection of the most comprehensive warranties and unmatched phone tech support It s the embodiment of our two missions To offer the highest quality computer based data acquisition control and GPIB hardware and software available at the best possible price To offer our customers superior post sale support FREE Whether providing unrivaled telephone technical and sales support on our latest product offerings or continuing that same first rate support on older products and operating systems we re committed to you Lifetime warranty Every hardware product manufactured by Measurement Computing Corporation is warranted against defects in materials or workmanship for the life of the product Products found defective are repaired or replaced promptly Lifetime Harsh Environment
9. Warranty We will replace any product manufactured by Measurement Computing Corporation that is damaged even due to misuse for only 50 of the current list price I O boards face some tough operating conditions some more severe than the boards are designed to withstand When a board becomes damaged just return the unit with an order for its replacement at only 50 of the current list price We don t need to profit from your misfortune By the way we honor this warranty for any manufacturer s board that we have a replacement for 30 Day Money Back Guarantee You may return any Measurement Computing Corporation product within 30 days of purchase for a full refund of the price paid for the product being returned If you are not satisfied or chose the wrong product by mistake you do not have to keep it Please call for an RMA number first No credits or returns accepted without a copy of the original invoice Some software products are subject to a repackaging fee These warranties are in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular application The remedies provided herein are the buyer s sole and exclusive remedies Neither Measurement Computing Corporation nor its employees shall be liable for any direct or indirect special incidental or consequential damage arising from the use of its products even if Measurement Computing Corporation has been notified in
10. advance of the possibility of such damages HM USB 1024LS doc 11 Trademark and Copyright Information TracerDAQ Universal Library InstaCal Harsh Environment Warranty Measurement Computing Corporation and the Measurement Computing logo are either trademarks or registered trademarks of Measurement Computing Corporation Windows Microsoft and Visual Studio are either trademarks or registered trademarks of Microsoft Corporation LabVIEW is a trademark of National Instruments CompactFlash is a registered trademark of SanDisk Corporation All other trademarks are the property of their respective owners Information furnished by Measurement Computing Corporation is believed to be accurate and reliable However no responsibility is assumed by Measurement Computing Corporation neither for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or copyrights of Measurement Computing Corporation All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical by photocopying recording or otherwise without the prior written permission of Measurement Computing Corporation Notice Measurement Computing Corporation does not authorize any Measurement Computing Corporation product for use in life support systems and or dev
11. d between the USB 1024LS and the computer Screw terminal wiring The USB 1024LS has two rows of screw terminals one row on the top edge of the housing and one row on the bottom edge Each screw terminal bank provides 20 connections Pin numbers are identified in Figure 3 2 3 1 USB 1024LS User s Guide Functional Details MEASUREMENT COMPUTING Figure 3 2 USB 1024LS screw terminal pin numbers Screw terminal pins 1 20 The screw terminals on the top edge of the USB 1024LS pins 1 to 20 provide the following connections Eight digital I O connections Port CO to Port C7 One counter connection CTR Five ground connections GND Screw terminal pins 21 40 The screw terminals on the bottom edge of the USB 1024LS pins 21 to 40 provide the following connections 16 digital I O connections Port AO to Port A7 and Port BO to Port B7 One power connection PC 5 V Three ground connections GND Main connector and pin out Connector type Screw Terminal Wire gauge range 16 AWG to 30 AWG 3 2 USB 1024LS User s Guide Functional Details 58838058 ro o n a Occctttttt Lzozozoozooz2ooooo009090 OOcOcOcscOccoaaacaacaaoda CQ O 00 l CO 10 st CO N CO Aerrrrr eres O 00 I CO 10 t CO NL E ooooooo00o000000000000 o0ooo00000000000000000 29 31 PortA7 28 GND 40 Port B7 39 Port B6 38 Port B5 37 Port B4 36 Port B3 35 Port B2 34 PortB1 33
12. de to the screw terminals located along each side of the USB 1024LS Figure 1 1 USB 1024LS 1 1 USB 1024LS User s Guide Introducing the USB 1024LS USB 1024LS block diagram USB 1024LS functions are illustrated in the block diagram shown here USB 1 1 Compliant Interface USB Microcontroller 82C55 DIO 32 bit Port Port Port Event Counter B CHI CLO 1 channel Port A Screw terminal I O connector Figure 1 2 USB 1024LS functional block diagram Software features For information on the features of nstaCal and the other software included with your USB 1024LS refer to the Quick Start Guide that shipped with your device The Quick Start Guide is also available in PDF at www mccdaq com PDFmanuals DAQ Software Quick Start pdf Check www mccdag com download htm for the latest software version or versions of the software supported under less commonly used operating systems USB 1024LS User s Guide Introducing the USB 1024LS Connecting a USB 1024LS to your computer is easy Installing a data acquisition device has never been easier The USB 1024LS relies upon the Microsoft Human Interface Device HID class drivers The HID class drivers ship with every copy of Windows that is designed to work with USB ports We use the Microsoft HID because it is a standard and its performance delivers full control and maximizes data transfer rates for your USB 1024LS No
13. ices without prior written consent from Measurement Computing Corporation Life support devices systems are devices or systems which a are intended for surgical implantation into the body or b support or sustain life and whose failure to perform can be reasonably expected to result in injury Measurement Computing Corporation products are not designed with the components required and are not subject to the testing required to ensure a level of reliability suitable for the treatment and diagnosis of people 111 Table of Contents Preface About this User s Guide iii a aiii V What you will learn from this user s guide sesssssesessesseeee eene V Conventions in this user s guide 2 0 ccceccceseesceescessceseceecesecsecsaeceaecsaecseecseecaeeeaeeeeeseeeneseeeseeeeeseaeenseeeeeseaeenaeenaes V Where to find more information sess entente tren nente nter en rris V Chapter 1 Introducing the USB 1024L S eeeeeeeesseeeeeen en eennnn eren nnnn enin nnne erint n eina n nnns inan nnne inire nnn 1 1 USB 1024LS block diagram essen ener enne E enne nnns 1 2 Software features usas Rau dto eo e Td tuti tot d tedio eod t ode teas 1 2 Connecting a USB 1024LS to your computer is easy c ooooocnnoonoonnonoconocononononnnonn nono nonn non ron rro nn eren 1 3 Chapter 2 Installing the USB 1024LS rnt ere cde tenete ee etr EI ite aae aa co reae deo in 2 1 What comes wi
14. ite at www mcecdag com signals signals pdf MCC s Universal Library User s Guide is available on our web site at www mccdaq com PDFmanuals sm ul user guide pdf MCC s Universal Library Function Reference is available on our web site at www mccdaq com PDFmanuals sm ul functions pdf MCC s Universal Library for LabVIEW User s Guide is available on our web site at www mccedaq com PDFmanuals SM UL Lab VIEW pdf USB 1024LS User s Guide this document is also available on our web site at www mecdag com PDFmanuals USB 1024LS pdf Chapter 1 Introducing the USB 1024LS This user s guide contains all of the information you need to connect the USB 1024LS measurement and automation device to your computer and to other data acquisition hardware The USB DIO24 37 is a USB 1 1 low speed module supported under popular Microsoft Windows operating systems It is designed for USB 1 1 ports and was tested for full compatibility with both USB 1 1 and USB 2 0 ports The USB 1024LS features 24 bits of digital I O and one 32 bit external event counter The device is powered by the 5 volt USB supply No external power is required An on board industry standard 82C55 programmable peripheral interface chip provides the 24 discrete digital I O lines in four ports You can configure each digital port independently for either input or output The USB 1024LS USB device is shown in Figure 1 1 All I O connections are ma
15. of Quality Assurance Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton Massachusetts 02766 508 946 5100 Fax 508 946 9500 E mail info mccdag com www mccdaq com
16. of this pin This terminal draws power from the USB connector The 5 V screw terminal is a 5 volt output that is supplied by the computer Caution The 5 V terminal is an output Do not connect to an external power supply or you may damage the USB 1024LS and possibly the computer The maximum total output current that can be drawn from all USB 1024LS connections power and digital outputs is 500 mA This maximum applies to most personal computers and self powered USB hubs Bus powered hubs and notebook computers may limit the maximum available output current to 100 mA Just connecting the USB 1024LS to your computer draws 18 mA of current from the USB 5 V supply Once you start running applications with the USB 1024LS each DIO bit can draw up to 2 5 mA The maximum amount of 5V current available for external use over and above that required by the USB 1024LS is the difference between the total current requirement of the USB 1024LS based on the application and the allowed current draw of the PC platform 500 mA for desktop PCs and self powered hubs or 100 mA for bus powered hubs and notebook computers With all outputs at their maximum output current you can calculate the total current requirement of the USB 1024LS USB 5 V as follows USB 1024LS 18 mA 24 DIO 2 5 mA ea 78 mA For an application running on a PC or powered hub this value yields a maximum user current of 500 mA 78 mA 422 mA This number is the total maxim
17. r s Guide Specifications Note 2 Self powered refers to USB hubs and hosts with a power supply Bus powered refers to USB hubs and hosts without their own power supply Note 3 This refers to the total amount of current that can be sourced from the USB 5V and digital outputs General Table 4 General specifications Parameter Conditions Specification USB controller clock error 25 C 30 ppm max 0 to 70 C 50 ppm max Device type USB 1 1 low speed Device compatibility USB 1 1 USB 2 0 Environmental Table 5 Environmental specifications Operating temperature range 0 to 70 C Storage temperature range 40 to 70 C Humidity 0 to 90 non condensing Mechanical Table 6 Mechanical specifications Dimensions 79 mm L x 82 mm W x 25 mm H USB cable length 3 meters max User connection length 3 meters max 4 2 USB 1024LS User s Guide Specifications Main connector and pin out Table 7 Connector specifications Connector type Screw terminal Wire gauge range 30 16 AWG Table 8 Connector pin out Pin Signal Name Pin Signal Name 1 Port CO 21 Port AO 2 Port C1 22 Port A1 3 Port C2 23 Port A2 4 Port C3 24 Port A3 5 Port C4 25 Port A4 6 Port C5 26 Port A5 7 Port C6 27 Port A6 8 Port C7 28 Port A7 9 GND 29 GND 10 nic 30 PC 5V 11 nic 31 GND 12 GND 32 Port BO 13 nic
18. tended to address a serious error in Usbport sys when you operate a USB device You can run Windows Update or download the update from www microsoft com downloads details aspx familyid 733dd867 56a0 4956 b7fe e85b688b7f86 amp displaylang en For more information refer to the Microsoft Knowledge Base article Availability of the Windows XP SP1 USB 1 1 and 2 0 update This article is available at support microsoft com kbid 822603 To connect the USB 1024LS to your system turn your computer on and connect the USB cable to a USB port on your computer or to an external USB hub that is connected to your computer The USB cable provides power and communication to the USB 1024LS When you connect the USB 1024LS for the first time a Found New Hardware popup balloon Windows XP or dialog other Windows version displays as the USB 1024LS is detected by your computer USB 1024L5 Ss USB 1024LS i Found New Hardware Another Found New Hardware balloon or dialog opens after the first closes that identifies the USB 1024LS as a USB Human Interface Device This balloon or dialog indicates that your USB 1024LS is installed and ready to use When the balloon or dialog closes the LED on the USB 1024LS should flash and then remain lit This indicates that communication is established between the USB 1024LS and your computer Caution Do not disconnect any device from the USB bus while the computer is communicating with the USB 102
19. th your USB 1024LS shipment sse eene nennen enne 2 1 Hat Ware sees sccte M 2 1 Additional documenta ttOntssssseaseas iier ad he ER ERR PURI EPIRI ERE A EE T GE ATAN OI ES E aa nba boda Coda dou abe FESSET EROR RENT 2 1 Unpacking the USB 1024LS ici tec Ua eite re HI Pet a e be eee eed 2 1 Install the SoftWareu 5 uode ee tegit ope etaient e nde ie Ete es 2 2 Installing the hardware E E et A 2 2 Chapter 3 Functional Detalls ii di External components imita os iii INCAS NN LED teet Screw terminal wiring Main connector and pin out Digital I O terminals Port AO to A7 Port BO to B7 Port CO to C7 Power termin ls iii A A eese vp epp oir AI re ren EA ien a a NERE E E AEA E S ESE AKEE ER sis santusis dOpsaaaseesss Conte A A E E EE E ANA Chapter 4 Specifications s 4 1 Digital RS A O ed oie ee 4 1 Counters Ro eee tos idas io careta ol al o to ds IEEE 4 1 POWER nino daa ta ee ere 4 1 O eg Ue eue 4 2 Environmental eis seo etie E ee 4 2 Mechanical id A A A Se sec ae d ee Rate tad ses eee EE tee Bk 4 2 Main connector and pin tii ad 4 3 iv Preface About this User s Guide What you will learn from this user s guide This user s guide explains how to install configure and use the USB 1024LS so that you get the most out of its USB digital I O features This user s guide also refers you to related documents available on our web site and to
20. um available current at the PC 5V screw terminals Measurement Computing highly recommends that you figure in a safety factor of 20 below this maximum current loading for your applications A conservative safe user maximum in this case would be 330 mA Since laptop computers typically allow up to 100 mA the USB 1024LS in a fully loaded configuration may be above that allowed by the computer In this case you must determine the per pin loading in the application to ensure that the maximum loading criteria is met The per pin loading is calculated by simply dividing the 5 V by the load impedance of the pin in question Ground terminals The 8 ground GND connections are identical and provide a common ground for all USB 1024LS functions Refer to the pinout diagram on page 3 2 for the location of the GND terminal pins Counter terminal Pin 20 CTR is the input to the 32 bit external event counter Refer to the pinout diagram on page 3 2 for the location of this pin The internal counter increments when the TTL levels transition from low to high The counter can count frequencies of up to 1 MHz 3 4 Chapter 4 Specifications Typical for 25 C unless otherwise specified Specifications in talic text are guaranteed by design Digital input output Table 1 Digital 1 O specifications Digital type 82C55 Number of I O 24 Port AO through Port C7 Configuration 2 banks of 8 and 2 banks of 4 or 3 banks of 8
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